Eotrachodon Facts
| Diet | Herbivore |
| Height | 2.5m |
| Length | 7m |
| Weight | 2.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Eastern North America |

| Diet | Herbivore |
| Height | 2.5m |
| Length | 7m |
| Weight | 2.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | Eastern North America |
Eotrachodon was a fascinating ornithopod dinosaur that roamed the eastern regions of North America during the Late Cretaceous period, approximately 85.7 million years ago. This duck-billed dinosaur represents one of the earliest known members of its family, making it particularly important for understanding the evolution of these successful herbivores.
Living in what is now Alabama, Eotrachodon inhabited the warm, shallow marine environments that characterised much of eastern North America during this time. The dinosaur measured about 7 metres in length and stood roughly 2.5 metres tall at the hip, making it a moderately-sized ornithopod. Like other duck-billed dinosaurs, it possessed the characteristic broad, flattened snout that gave these creatures their common name.
As a herbivore, Eotrachodon fed on the abundant plant life of its time, using its sophisticated dental battery to process tough vegetation. These dinosaurs had hundreds of small teeth arranged in grinding surfaces that could efficiently break down ferns, conifers, and other Late Cretaceous plants. The creature could move both on two legs and four, switching between bipedal and quadrupedal locomotion depending on whether it was travelling or feeding.
What makes Eotrachodon particularly special is its exceptional preservation and the rarity of dinosaur fossils from the Appalachian region of eastern North America. The discovery has provided valuable insights into the diversity of dinosaurs that lived in this lesser-known part of the continent during the Cretaceous period.
Eotrachodon had the characteristic broad, duck-like bill of its family, with a relatively primitive skull structure compared to later duck-billed dinosaurs. Its dental battery was less complex than more advanced species, reflecting its early position in ornithopod evolution.
Eotrachodon likely lived in herds, as evidenced by the social behaviour typical of duck-billed dinosaurs. It would have spent much of its time foraging for vegetation, using its keen senses to watch for predators in the coastal plains and river deltas of ancient Alabama.
| Phylum | Chordata |
| Class | Ornithischia |
| Family | Hadrosauridae |
| Genus | Eotrachodon |
Eotrachodon was first described by Albert Prieto-Márquez and team in 2016. The original fossils were discovered at Mooreville Chalk Formation, Alabama, USA.